/// <summary>
/// Called when new object is selected. This will update the access rights.
/// </summary>
/// <param name="view"></param>
/// <param name="target"></param>
/// <param name="connected"></param>
public static void UpdateAccessRights(IGXDLMSView view, GXDLMSObject target, bool connected)
{
//Update attributes.
List <int> attributeIndexes = new List <int>();
List <int> methodIndexes = new List <int>();
ControlCollection controls = (view as Form).Controls;
for (int index = 1; index <= (target as IGXDLMSBase).GetAttributeCount(); ++index)
{
if (!UpdateAccessRights(view, controls, target, index, false, connected))
{
attributeIndexes.Add(index);
}
}
//Update methods.
for (int index = 0; index <= (target as IGXDLMSBase).GetMethodCount(); ++index)
{
if (!UpdateAccessRights(view, controls, target, index, true, connected))
{
if (index != 0)
{
methodIndexes.Add(index);
}
}
}
foreach (int index in attributeIndexes)
{
OnAccessRightsChange(view, target, index, (int)target.GetAccess(index), connected, false);
}
//Update methods.
foreach (int index in methodIndexes)
{
OnAccessRightsChange(view, target, index, (int)target.GetMethodAccess(index), connected, true);
}
}
private static bool UpdateAccessRights(IGXDLMSView view, System.Windows.Forms.Control.ControlCollection controls, GXDLMSObject target, int index, bool method, bool connected)
{
foreach (Control it in controls)
{
if (!method && it is GXValueField)
{
GXValueField obj = it as GXValueField;
if (obj.Index == index)
{
obj.Target = target;
AccessMode am = target.GetAccess(index);
OnUpdateAccessRights(view, obj, connected && ((am & AccessMode.Write) != 0));
return(!obj.NotifyChanges);
}
}
else if (it is GXButton)
{
GXButton btn = it as GXButton;
btn.Target = target;
//Update custom buttons.
if (method && index == 0 && btn.Index < 1)
{
OnUpdateAccessRights(view, btn, connected);
continue;
}
if (method && btn.Index == index && btn.Action == ActionType.Action)
{
MethodAccessMode ma = target.GetMethodAccess(index);
OnUpdateAccessRights(view, btn, connected && ma != MethodAccessMode.NoAccess);
return(true);
}
if (!method && btn.Index == index && (btn.Action == ActionType.Read || btn.Action == ActionType.Write))
{
AccessMode am = target.GetAccess(index);
if (btn.Action == ActionType.Read)
{
OnUpdateAccessRights(view, btn, connected && ((am & AccessMode.Read) != 0));
}
else if (btn.Action == ActionType.Write)
{
OnUpdateAccessRights(view, btn, connected && ((am & AccessMode.Write) != 0));
}
}
}
else if (it.Controls.Count != 0)
{
bool ret = UpdateAccessRights(view, it.Controls, target, index, method, connected);
//If object is updated.
if (ret)
{
return(true);
}
}
}
return(false);
}
public void OnAccessRightsChange(int index, AccessMode access, bool connected)
{
if (index == 2)
{
}
else if (index == 3)
{
ClientSAPTb.ReadOnly = ServerSAPTb.ReadOnly = (access & AccessMode.Write) == 0;
}
else if (index == 4)
{
// Application context name.
ApplicationJointISOCTTTb.ReadOnly = ApplicationCountryTb.ReadOnly =
ApplicationCountryNameTb.ReadOnly = ApplicationIdentifiedOrganizationTb.ReadOnly =
ApplicationDLMSUATb.ReadOnly = ApplicationContextTb.ReadOnly =
ApplicationContextIDTb.ReadOnly = (access & AccessMode.Write) == 0;
}
else if (index == 5)
{
// xDLMS_context_info
ConformanceTB.ReadOnly = MaxReceivePDUSizeTb.ReadOnly = MaxSendPDUSizeTb.ReadOnly =
DLMSVersionNumberTB.ReadOnly = CypheringInfoTb.ReadOnly = (access & AccessMode.Write) == 0;
}
else if (index == 6)
{
// authentication_mechanism_name
AuthenticationJointISOCTTTb.ReadOnly = AuthenticationCountryTb.ReadOnly = AuthenticationCountryNameTb.ReadOnly =
AuthenticationIdentifiedorganizationTb.ReadOnly = AuthenticationDLMSUATb.ReadOnly =
AuthenticationMechanismNameTb.ReadOnly = AuthenticationMechanismIdTb.ReadOnly = (access & AccessMode.Write) == 0;
}
else if (index == 7)
{
GXDLMSAssociationLogicalName target = Target as GXDLMSAssociationLogicalName;
bool enabled = false;
if (target.AuthenticationMechanismName.MechanismId == Authentication.Low)
{
enabled = (access & AccessMode.Write) != 0;
SecretLbl.Text = "Low Secret:";
}
else if (target.AuthenticationMechanismName.MechanismId == Authentication.High)
{
enabled = Target.GetMethodAccess(2) == MethodAccessMode.Access;
SecretLbl.Text = "High Secret:";
}
else
{
SecretLbl.Text = "Secret:";
}
UpdatePwBtn.Enabled = enabled;
SecretTB.ReadOnly = !enabled;
}
else if (index == 9)
{
SecuritySetupCb.Enabled = (access & AccessMode.Write) != 0;
}
}
private static bool UpdateAccessRights(IGXDLMSView view, GXDLMSClient client, System.Windows.Forms.Control.ControlCollection controls, GXDLMSObject target, int index, bool method, bool connected)
{
foreach (Control it in controls)
{
if (!method && it is GXValueField)
{
GXValueField obj = it as GXValueField;
if (obj.Index == index)
{
obj.Target = target;
bool access = connected;
if (connected)
{
if (client != null)
{
access = client.CanWrite(target, index);
}
else
{
AccessMode am = target.GetAccess(index);
access = (am & AccessMode.Write) != 0;
}
}
OnUpdateAccessRights(view, client, obj, connected && access);
return(!obj.NotifyChanges);
}
}
else if (it is GXButton)
{
bool access;
GXButton btn = it as GXButton;
btn.Target = target;
//Update custom buttons.
if (method && index == 0 && btn.Index < 1)
{
OnUpdateAccessRights(view, client, btn, connected);
continue;
}
if (method && btn.Index == index && btn.Action == ActionType.Action)
{
if (client != null)
{
access = client.CanInvoke(target, index);
}
else
{
access = target.GetMethodAccess(index) != MethodAccessMode.NoAccess;
if (!access)
{
access = target.GetMethodAccess3(index) != MethodAccessMode3.NoAccess;
}
}
OnUpdateAccessRights(view, client, btn, connected && access);
return(true);
}
if (!method && btn.Index == index && (btn.Action == ActionType.Read || btn.Action == ActionType.Write))
{
if (btn.Action == ActionType.Read)
{
if (client != null)
{
access = client.CanRead(target, index);
}
else
{
access = (target.GetAccess(index) & AccessMode.Read) != 0;
if (!access)
{
access = (target.GetAccess3(index) & AccessMode3.Read) != 0;
}
}
OnUpdateAccessRights(view, client, btn, connected && access);
}
else if (btn.Action == ActionType.Write)
{
if (client != null)
{
access = client.CanWrite(target, index);
}
else
{
access = (target.GetAccess(index) & AccessMode.Write) != 0;
if (!access)
{
access = (target.GetAccess3(index) & AccessMode3.Write) != 0;
}
}
OnUpdateAccessRights(view, client, btn, connected && access);
}
}
}
else if (it.Controls.Count != 0)
{
bool ret = UpdateAccessRights(view, client, it.Controls, target, index, method, connected);
//If object is updated.
if (ret)
{
return(true);
}
}
}
return(false);
}
private void UpdateAttributes()
{
bindingSource1.Clear();
List <GXDLMSAttributeSettings> list = new List <GXDLMSAttributeSettings>();
string[] names = (Target as IGXDLMSBase).GetNames();
for (int pos = 0; pos != (Target as IGXDLMSBase).GetAttributeCount(); ++pos)
{
GXDLMSAttributeSettings a = new GXDLMSAttributeSettings()
{
Index = pos + 1, Name = names[pos]
};
Target.Attributes.Add(a);
//Logical name is always read-only.
if (pos == 0)
{
if (version < 3)
{
a.Access = AccessMode.Read;
}
else
{
a.Access3 = AccessMode3.Read;
}
}
else
{
if (version < 3)
{
AccessMode mode = Target.GetAccess(1 + pos);
a.Access = mode;
}
else
{
AccessMode3 mode = Target.GetAccess3(1 + pos);
a.Access3 = mode;
}
}
list.Add(a);
}
foreach (var it in list)
{
bindingSource1.Add(it);
}
Accessrights.DataSource = bindingSource1;
//Show method access levels of COSEM object.
bindingSource3.Clear();
list.Clear();
//Add all methods.
names = (Target as IGXDLMSBase).GetMethodNames();
for (int pos = 0; pos != (Target as IGXDLMSBase).GetMethodCount(); ++pos)
{
GXDLMSAttributeSettings a = new GXDLMSAttributeSettings()
{
Index = pos + 1, Name = names[pos]
};
Target.MethodAttributes.Add(a);
if (version < 3)
{
MethodAccessMode mode = Target.GetMethodAccess(1 + pos);
a.MethodAccess = mode;
}
else
{
MethodAccessMode3 mode = Target.GetMethodAccess3(1 + pos);
a.MethodAccess3 = mode;
}
list.Add(a);
}
foreach (var it in list)
{
bindingSource3.Add(it);
}
MethodAccessrights.DataSource = bindingSource3;
}
